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Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5563420190

Certificate GIA 5563420190

Diamond specifications and retailer prices

From $310 AUD
₹20,707 INR
As of October 31, 2026
Save $1,380 AUD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,690 AUD at NZ Jewellers · As of October 26, 2026
View at NZ Jewellers

About this 0.4ct natural round diamond

This 0.4ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5563420190. Listed at 13 retailers as of October 26, 2026, with prices from $310 to $1,690, a $1,380 spread on the same certified stone. NZ Jewellers lists it at $1,690. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.40
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5563420190
Dimensions4.72 × 4.70 × 2.96 mm
L/W Ratio1.00
Top View
4.72 mm4.70 mm0.40 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563420190
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,690 AUD|Low: $310 AUD|High: $1,738 AUD|Avg: $729 AUD|-2.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 2$310 AUD
Retailer 4$383 AUD
Retailer 11$468 AUD
Retailer 5$548 AUD
Retailer 6$560 AUD
Retailer 3$593 AUD
Retailer 8$625 AUD
Retailer 7$680 AUD
Retailer 10$740 AUD
Retailer 9$891 AUD
Retailer 12$1,029 AUD
NZ Jewellers$1,690 AUD

24 data points across 12 retailers

13 retailers$310 AUD to $1,690 AUD

A
Cheapest Retailer
-
$310 AUD
₹20,707 INR
A
Retailer 2
-
$383 AUD
HK$2,100 HKD
View
A
Retailer 3
-
$468 AUD
SGD 444 SGD
View
A
Retailer 4
-
$548 AUD
$385 USD
View
A
Retailer 5
-
$560 AUD
£310 GBP
View
Retailer 6
-
$593 AUD
$417 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$625 AUD
$439 USD
View
B+
Retailer 8
-
$680 AUD
ZAR 7,720 ZAR
View
Retailer 9
-
$732 AUD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
$740 AUD
€495 EUR
View
B+
Retailer 11
-
$891 AUD
£493 GBP
View
B
Retailer 12
-
$1,029 AUD
£569 GBP
View
Most Expensive
B
NZ Jewellers
25efe026-9344-411f-b6c9-ec32a516d6bd · Oct 26
$1,690 AUD
$1,187 USD
View
12 more retailers have this diamond
Prices start from $310 AUDSave up to $1,380 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.40ct Round
$310 AUD